ABAP Select data from SAP table PC2SU into internal table

Get Example source ABAP code based on a different SAP table
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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PC2SU table and store it within an internal table, including using the newer @DATA inline declaration methods. It also shows you various ways to process this data using ABAP work area, inline declaration or field symbols including executing all the relevant CONVERSION_EXIT routines specific to PC2SU. See here for more generic Select statement tips.

Sometimes data within SAP is stored within the database table in a different format to what it is displayed to the user. These input/output conversation FM routines are what translates the data between the two formats.

There is also a full declaration of the PC2SU table where each field has a char/string type for you to simply copy and paste. This allows you to use processing that is only available to these field types such as the CONCATENATE statement.

DATA: IT_PC2SU TYPE STANDARD TABLE OF PC2SU,
      WA_PC2SU TYPE PC2SU,
      GD_STR TYPE STRING.

DATA: lo_typedescr type REF TO cl_abap_typedescr.
DATA: lv_fieldname type fieldname.

FIELD-SYMBOLS: <FIELD> TYPE any.
FIELD-SYMBOLS: <PC2SU> TYPE PC2SU.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PC2SU.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PC2SU
  INTO TABLE IT_PC2SU.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PC2SU
*  INTO TABLE @DATA(IT_PC2SU2).
*--Further methods of using ABAP code to  select data from SAP database tables

*You can also declare the header/work area using the in-line DATA declaration method
READ TABLE IT_PC2SU INDEX 1 INTO DATA(WA_PC2SU2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PC2SU ASSIGNING <PC2SU>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PC2SU>-INTYP = 1.
<PC2SU>-BEGDA = 1.
<PC2SU>-ENDDA = 1.
<PC2SU>-INNUM = 1.
<PC2SU>-CONAR = 1.

ENDLOOP.

LOOP AT IT_PC2SU INTO WA_PC2SU.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PC2SU-CONBR, sy-vline,
  WA_PC2SU-CONGR, sy-vline,
  WA_PC2SU-CONLV, sy-vline,
  WA_PC2SU-PBYER, sy-vline,
  WA_PC2SU-EEWGE, sy-vline,
  WA_PC2SU-EERAT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PC2SU you want to display...

  WRITE:/ sy-uline.
* Aternatively use generic code to Write field values (and NAME) to screen report
  DO.
    ASSIGN COMPONENT sy-index OF STRUCTURE wa_PC2SU TO <field>.
    IF sy-subrc <> 0. EXIT. ENDIF.
    WRITE:/ 'Field Value', <field>, sy-vline.
    gd_str = <field> .
    lo_typedescr ?= CL_ABAP_DATADESCR=>DESCRIBE_BY_DATA( <field> ).
    lv_fieldname = lo_typedescr->GET_RELATIVE_NAME( ).
    WRITE:/ 'Field Name', lv_fieldname.
  ENDDO.

  
*Redo loop but convert all fields from internal to out value  
LOOP AT IT_PC2SU INTO WA_PC2SU.


*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Convert all fields to display/output versions using conversion routines
  PERFORM convert_all_field_values CHANGING wa_EKKO.
	 
ENDLOOP.

  
*&---------------------------------------------------------------------*
*& Form convert_all_field_values
*&---------------------------------------------------------------------*
FORM convert_all_field_values CHANGING p_EKKO LIKE wa_EKKO.
DATA: ld_input(1000) TYPE c, ld_output(1000) TYPE C.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_PC2SU_STR, 
INTYP TYPE STRING,
BEGDA TYPE STRING,
ENDDA TYPE STRING,
INNUM TYPE STRING,
CONAR TYPE STRING,
CONBR TYPE STRING,
CONGR TYPE STRING,
CONLV TYPE STRING,
PBYER TYPE STRING,
EEWGE TYPE STRING,
EERAT TYPE STRING,
EECON TYPE STRING,
ECCUR TYPE STRING,
EELOW TYPE STRING,
EELCU TYPE STRING,
EEHIG TYPE STRING,
EEHCU TYPE STRING,
ERWGE TYPE STRING,
ERRAT TYPE STRING,
ERCON TYPE STRING,
RCCUR TYPE STRING,
ERLOW TYPE STRING,
ERLCU TYPE STRING,
ERHIG TYPE STRING,
ERHCU TYPE STRING,
PITAX TYPE STRING,
EEBSR TYPE STRING,
EECOR TYPE STRING,
ERBSR TYPE STRING,
ERCOR TYPE STRING,
CFRQC TYPE STRING,
FCMTH TYPE STRING,
PRORU TYPE STRING,
EEBSE TYPE STRING,
EEBCU TYPE STRING,
ERBSE TYPE STRING,
ERBCU TYPE STRING,
MOSEL TYPE STRING,
CHIEX TYPE STRING,
CHILM TYPE STRING,
CHILY TYPE STRING,
CIFLG TYPE STRING,
CMCUR TYPE STRING,
CYCUR TYPE STRING,
EEEMP TYPE STRING,
EEECU TYPE STRING,
EREMP TYPE STRING,
ERECU TYPE STRING,
CITCO TYPE STRING,
CIDAT TYPE STRING,
CIAMT TYPE STRING,
CIACU TYPE STRING,
CONMO TYPE STRING,
CPIEX TYPE STRING,
CPILM TYPE STRING,
CPILR TYPE STRING,
CPICU TYPE STRING,
EERT4 TYPE STRING,
ERRT4 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PC2SU_STR type T_EKKO_STR.

DATA: ld_text TYPE string.

LOOP AT IT_EKKO INTO WA_EKKO.
  MOVE-CORRESPONDING wa_EKKO TO WA_EKKO_STR.
  CONCATENATE: sy-vline
WA_PC2SU_STR-INTYP sy-vline 
WA_PC2SU_STR-BEGDA sy-vline 
WA_PC2SU_STR-ENDDA sy-vline 
WA_PC2SU_STR-INNUM sy-vline 
WA_PC2SU_STR-CONAR sy-vline 
WA_PC2SU_STR-CONBR sy-vline 
WA_PC2SU_STR-CONGR sy-vline 
WA_PC2SU_STR-CONLV sy-vline 
WA_PC2SU_STR-PBYER sy-vline 
WA_PC2SU_STR-EEWGE sy-vline 
WA_PC2SU_STR-EERAT sy-vline 
WA_PC2SU_STR-EECON sy-vline 
WA_PC2SU_STR-ECCUR sy-vline 
WA_PC2SU_STR-EELOW sy-vline 
WA_PC2SU_STR-EELCU sy-vline 
WA_PC2SU_STR-EEHIG sy-vline 
WA_PC2SU_STR-EEHCU sy-vline 
WA_PC2SU_STR-ERWGE sy-vline 
WA_PC2SU_STR-ERRAT sy-vline 
WA_PC2SU_STR-ERCON sy-vline 
WA_PC2SU_STR-RCCUR sy-vline 
WA_PC2SU_STR-ERLOW sy-vline 
WA_PC2SU_STR-ERLCU sy-vline 
WA_PC2SU_STR-ERHIG sy-vline 
WA_PC2SU_STR-ERHCU sy-vline 
WA_PC2SU_STR-PITAX sy-vline 
WA_PC2SU_STR-EEBSR sy-vline 
WA_PC2SU_STR-EECOR sy-vline 
WA_PC2SU_STR-ERBSR sy-vline 
WA_PC2SU_STR-ERCOR sy-vline 
WA_PC2SU_STR-CFRQC sy-vline 
WA_PC2SU_STR-FCMTH sy-vline 
WA_PC2SU_STR-PRORU sy-vline 
WA_PC2SU_STR-EEBSE sy-vline 
WA_PC2SU_STR-EEBCU sy-vline 
WA_PC2SU_STR-ERBSE sy-vline 
WA_PC2SU_STR-ERBCU sy-vline 
WA_PC2SU_STR-MOSEL sy-vline 
WA_PC2SU_STR-CHIEX sy-vline 
WA_PC2SU_STR-CHILM sy-vline 
WA_PC2SU_STR-CHILY sy-vline 
WA_PC2SU_STR-CIFLG sy-vline 
WA_PC2SU_STR-CMCUR sy-vline 
WA_PC2SU_STR-CYCUR sy-vline 
WA_PC2SU_STR-EEEMP sy-vline 
WA_PC2SU_STR-EEECU sy-vline 
WA_PC2SU_STR-EREMP sy-vline 
WA_PC2SU_STR-ERECU sy-vline 
WA_PC2SU_STR-CITCO sy-vline 
WA_PC2SU_STR-CIDAT sy-vline 
WA_PC2SU_STR-CIAMT sy-vline 
WA_PC2SU_STR-CIACU sy-vline 
WA_PC2SU_STR-CONMO sy-vline 
WA_PC2SU_STR-CPIEX sy-vline 
WA_PC2SU_STR-CPILM sy-vline 
WA_PC2SU_STR-CPILR sy-vline 
WA_PC2SU_STR-CPICU sy-vline 
WA_PC2SU_STR-EERT4 sy-vline 
WA_PC2SU_STR-ERRT4 sy-vline      INTO ld_text SEPARATED BY SPACE.

*Add any further fields from structure WA_EKKO_STR you want to CONCATENATE...
ENDLOOP.
ENDFORM.